/*Copyright (C) 2020 THL A29 Limited, a Tencent company.  All rights reserved.

This source code is licensed under the Apache License Version 2.0.*/


package apijson.orm;

import apijson.StringUtil;

/**& | !逻辑
 * @author Lemon
 */
public class Logic {

	public static final int TYPE_OR = 0;
	public static final int TYPE_AND = 1;
	public static final int TYPE_NOT = 2;
	public static final int[] TYPES = {TYPE_OR, TYPE_AND, TYPE_NOT};

	public static final String CHAR_OR = "|";
	public static final String CHAR_AND = "&";
	public static final String CHAR_NOT = "!";
	public static final String[] CHARS = {CHAR_OR, CHAR_AND, CHAR_NOT};

	public static final String NAME_OR = "OR";
	public static final String NAME_AND = "AND";
	public static final String NAME_NOT = "NOT";
	public static final String[] NAMES = {NAME_OR, NAME_AND, NAME_NOT};


	private int type;
	private String key;

	public Logic() {
		super();
	}

	public Logic(int type) {
		this();
		this.type = type;
	}
	public Logic(String key) {
		key = StringUtil.getString(key);

		int type = getType(key.isEmpty() ? "" : key.substring(key.length() - 1));

		if (type >= 0 && type <= 2) {
			key = key.substring(0, key.length() - 1);
		}
		if (type < 0) {
			type = 0;
		}


		setType(type);
		setKey(key);
	}


	public int getType() {
		return type;
	}

	public void setType(int type) {
		this.type = type;
	}

	public String getKey() {
		return key;
	}
	public void setKey(String key) {
		this.key = key;
	}


	public boolean isOr() {
		return isOr(type);
	}
	public static boolean isOr(int type) {
		return type == TYPE_OR;
	}
	public boolean isAnd() {
		return isAnd(type);
	}
	public static boolean isAnd(int type) {
		return type == TYPE_AND;
	}
	public boolean isNot() {
		return isNot(type);
	}
	public static boolean isNot(int type) {
		return type == TYPE_NOT;
	}
	
	public boolean isCorrect() {
		return isContain(getType());
	}
	public static boolean isContain(String s) {
		return isContain(getType(s));
	}
	public static boolean isContain(int type) {
		return type >= TYPE_OR && type <= TYPE_NOT;
	}

	public static int getType(char logicChar) {
		return getType(String.valueOf(logicChar));
	}
	public static int getType(String logicChar) {
		int type = -1;
		if (logicChar != null && logicChar.length() == 1) {
			switch (logicChar) {
				case "|":
					type = 0;
					break;
				case "&":
					type = 1;
					break;
				case "!":
					type = 2;
					break;
			}
		}
		return type;
	}

	public String getChar() {
		return getChar(type);
	}
	public static String getChar(int type) {
		return type < 0 || type >= CHARS.length ? "" : CHARS[type];
	}

	public String getName() {
		return getName(type);
	}
	public static String getName(int type) {
		return type < 0 || type >= NAMES.length ? "" : NAMES[type];
	}

}
